<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="lib/jquery.min.js"></script>

</head>
<body>
<h1>
    index.htmlaaa
</h1>

<ul>
    <li>1111</li>
    <li>222</li>
</ul>
<script>

    $(function(){
        $.get("/users.do",{},function(r){
            console.log(r)
            r.forEach(function(e){
                $("ul").append("<li>"+e.username+"</li>")
            })
        },"json");
    })
</script>

</body>
</html>